What is it (reflection in a mirror)?
Mirror image
What is it (a flat mirror rather than a mirror with a curved surface such as a concave or convex mirror)?
Plane mirror
What is it (a line drawn at right angles (90°) to the surface of the mirror)?
Normal
What is it (the ray of light that arrives at the mirror)?
Incident ray
What is it (the ray of light that reflects off the mirror)?
Reflected ray
What is it (the space between two lines that meet at a surface, measured in degrees)?
Angle
What is it (a device that uses mirrors for you to see things otherwise out of sight)?
Periscope
